Reading Notes for Day 12 of 401:

Web Sockets

• What is a Web Socket?
• Describe the Web Socket request/response handshake and what happens once the connection is established.
• Web Sockets provide a standardized way for the server to send content to a client without first receiving a request from that client.

Socket.io Tutorial

• What does the event handler io.on() do?
• Describe some possible proof of life or proof that the code works as expected
• What does socket.emit() do?

Socket.io vs Web Sockets

• What is the difference between WebSocket and Socket.IO? (think Git and GitHub, or OAuth and Auth0).
• When would you use Socket.IO?
• When would you use WebSockets?

Videos

OSI Model Explained

• What are a couple of key takeaways from this video?

Things I want to know more about:

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